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What is the x-intercept of the line with the equation y = 3x − 6? −6
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25 Mar 2021, 03:20
25 Mar 2021, 03:20
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What is the x-intercept of the line with the equation y = 3x − 6?
−6
- 1/2
0
2
3
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
−6
- 1/2
0
2
3
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
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Re: What is the x-intercept of the line with the equation y = 3x − 6? −6
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25 Mar 2021, 04:20
25 Mar 2021, 04:20
Carcass wrote:
What is the x-intercept of the line with the equation y = 3x − 6?
−6
- 1/2
0
2
3
−6
- 1/2
0
2
3
For x-intercept, plug \(y = 0\)
\(0 = 3x - 6\)
\(6 = 3x\)
\(x= 2\)
Hence, option D
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Re: What is the x-intercept of the line with the equation y = 3x − 6? −6
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25 Mar 2021, 07:20
25 Mar 2021, 07:20
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1
Bookmarks
Carcass wrote:
What is the x-intercept of the line with the equation y = 3x − 6?
−6
- 1/2
0
2
3
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
−6
- 1/2
0
2
3
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
KEY CONCEPT: The x-intercept is the point where the y-coordinate = 0
So, take the equation of the line, y = 3x - 6, and replace y with 0 to get: 0 = 3x - 6
Solve, to get x = 2
So, the point (2, 0) lies ON the line, which means the x-intercept is 2
Answer: D
Cheers,
Brent
